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Fig. 6 | BMC Plant Biology

Fig. 6

From: Fluoride mitigates aluminum-toxicity in barley: morpho-physiological responses and biochemical mechanisms

Fig. 6

Hierarchical clustering with heatmap of studied parameters of shoot and root (A, C) and principal component analysis (PCA) of studied parameters of shoot and root (B, D) of barley plants. The variables included shoot length (SL), root length (RL), plant fresh weight (PFW), plant dry weight (PDW), epicuticular wax (wax), chlorophyll (chl), carotenoid (Car), proline (Pro), superoxide anion (S.oxide; O2•−), hydroxyl radical (OH), hydrogen peroxide (H2O2), malondialdehyde (MDA), lipoxygenases (LOX), and nitric oxide (NO), superoxide dismutase (SOD), catalase (CAT), soluble peroxidase (SPO), ionic peroxidase (IPO), ascorbate peroxidase (APX), glutathione peroxidase (GPX), glutathione (GSH), ascorbic acid (ASA), anthocyanins (anthy), α-tocopherol (tocop), flavonoids (flav), phenolic contents (phenol), glutathione S-transferases (GST), phenylalanine ammonia-lyase (PAL), polyphenol oxidase (PPO), nitrate reductase (NR), phytochelatins (PC), and metallothioneins (MC)

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